int main()
{
Calc calc;
calc.Add(5).Sub(3).Mul(4);
std::cout << calc.getValue() << "\n";
}
// on "init" you need to initialize your instance
bool HelloWorld::init()
{
//////////////////////////////
// 1. super init first
if ( !Layer::init() )
{
return false;
}
Size visibleSize = Director::getInstance()->getVisibleSize();
Vec2 origin = Director::getInstance()->getVisibleOrigin();
/////////////////////////////
// 2. add a menu item with "X" image, which is clicked to quit the program
// you may modify it.
// add a "close" icon to exit the progress. it's an autorelease object
auto closeItem = MenuItemImage::create(
"CloseNormal.png",
"CloseSelected.png",
CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));
closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width/2 ,
origin.y + closeItem->getContentSize().height/2));
// create menu, it's an autorelease object
auto menu = Menu::create(closeItem, NULL);
menu->setPosition(Vec2::ZERO);
this->addChild(menu, 1);
/////////////////////////////
// 3. add your codes below...
// add a label shows "Hello World"
// create and initialize a label
auto label = LabelTTF::create("Hello World", "Arial", 24);
// position the label on the center of the screen
label->setPosition(Vec2(origin.x + visibleSize.width/2,
origin.y + visibleSize.height - label->getContentSize().height));
// add the label as a child to this layer
this->addChild(label, 1);
// add "HelloWorld" splash screen"
auto sprite = Sprite::create("HelloWorld.png");
// position the sprite on the center of the screen
sprite->setPosition(Vec2(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
// add the sprite as a child to this layer
this->addChild(sprite, 0);
Calc *calc = new Calc();
calc->addValue(1000);
std::stringstream ss;
ss << calc->getValue();
auto calcLabel = LabelTTF::create();
calcLabel->setString(ss.str());
calcLabel->setFontSize(24);
calcLabel->setFontName("Arial");
calcLabel->setPosition(100, 100);
this->addChild(calcLabel);
return true;
}
// if you wanted to add 5, sub 3, multiply by 4, you'd need to do this:
int main(){
Calc calc; // default constructor, m_value is 0
calc.add(5).sub(3).mult(4);
std::cout << calc.getValue() << '\n';
return 0;
}